Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nhan cua » nhat cua, nhan luc, nhan su
va doanh » van doanh, vay doanh, va danh
cao duc » dao duc, cao suc, giao duc
cam duc » cam xuc, pham duc, nam duoc
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, xa hoi, me hoi
cua te » cua tu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((ma hoi) OR (ma hoa)). hieu van ((cam duc) OR (cao duc)) va doanh nhan cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((ma hoi) or (ma hoa)). hieu van ((cam duc) OR (cao duc)) va doanh nhan cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((ma hoi) or (ma hoa)). hieu van ((cam duc) OR (cao duc)) va doanh nhan cua te*.